Commit f4029844 authored Feb 08, 2019 by YueHaibing Committed by Bartlomiej Zolnierkiewicz Feb 08, 2019

video: fbdev: Fix potential NULL pointer dereference



There is a potential NULL pointer dereference in case
fb_create_modedb() fails and returns NULL.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

parent 10993504

drivers/video/fbdev/core/fbmon.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -978,6 +978,8 @@ void fb_edid_to_monspecs(unsigned char edid, struct fb_monspecs specs)
		get_monspecs(edid, specs);

		specs->modedb = fb_create_modedb(edid, &specs->modedb_len, specs);
		if (!specs->modedb)
		return;

		/*
		* Workaround for buggy EDIDs that sets that the first